How to change ground friction in GMod
Type sv_friction 1 in the server console and players slide like on ice when they stop moving. The default is 8.
sv_friction
Sets ground friction for players, controlling how quickly they slow down when they stop moving.
sv_friction <value> Examples
sv_friction 1 Slippery ice movement.
Arguments
valueRequired- Ground friction.
What it does
Lower values make players slide like on ice, higher values make them stop sharply.
The game's own description: World friction.
Run it on your server
On a SLASHPLAY server, type it in the Console tab of the server page; the reply shows right under it. A value set there lasts until the server restarts. To keep it, add the line to garrysmod/cfg/server.cfg. New to this? Start a GMod server first.
Your own
GMod server.
From $0.03 an hour, only while it runs. New accounts get 6 free tokens.